loginviewmodel

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;
using telegram2._0.Services;
using telegram2._0.Views;
using Xamarin.Forms;

namespace telegram2._0.ViewModels
{
    class LoginViewModel
    {
        public string UserName { get; set; }

        public string Password { get; set; }

        public ICommand LoginCommand { get; set; }

        public ICommand RegisterCommand { get; set; }

        private Page _page;

        public LoginViewModel(Page page)
        {
            _page = page;
            LoginCommand = new Command(OpenContacts);
            RegisterCommand = new Command(OpenRegister);
        }

        private async void OpenContacts()
        {
            var dataService = DataService.GetInstance();
            var status = await dataService.LoginAsync(UserName, Password);

            if (status == HttpStatusCode.OK)
            {
                await _page.Navigation.PushAsync(new ContactsPage());
                Debug.WriteLine($"UserName: {UserName}, Password: {Password}");
            }
            else
            {
                await _page.DisplayAlert("Ошибка", "Не удалось выполнить вход", "Закрыть");
            }


        }
        private async void OpenRegister()
        {
            Debug.WriteLine($"UserName: {UserName}");
            await _page.Navigation.PushAsync(new RegisterPage());
        }
    }
}